MESON Chess Problem Database

Problem Display
PID: 172457 (k1N5/8/1RNK4/8/8/8/1rn5/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1997

k1N5/8/1RNK4/8/8/8/1rn5/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Rb8#
    • 1...Sb4
      • 2.Rb8#
  • Keys
    • 1.Kc7!
      • threat
        • 2.Ra6#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Ra2
        • 2.Rb8#
      • 1...Sb4
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::R1(A)
    • S(b);S_CUTR(a)::R1(A)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • R(A)
    • Vars
      • R(a);XR(A)::S(D),XR(a)
      • R(a);N_GUARD::R1(A)
      • S(b);S_CUTR(a)::R1(A)
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